Try changing your access point to use 5 Ghz or a lower 2.4 GHz channel.
#Power adapter for macbook pro 2010 for mac#
Connector for Mac notebooks are available in MagSafe, MagSafe 2 and USB-C Power adapters are available in 29W, 30W, 45W, 60W, 61W, 85W, and 87W varieties. This interference may be at its worst if you have a portable computer with the lid closed and an external monitor connected to it. 1 x 16.5V 3.65A 60W compatible power adapter for Apple MacBook 13' Made in Late 2006-Mid 2010 MacBook Pro 13' Made in Mid 2009-Mid 2012. > Certain external monitors and LCD displays: Certain displays may emit harmonic interference, especially in the 2.4GHz band between channels 11 and 14. I was about to order a new adapter when I ran across this Apple support article: MacBook Pro (13in, Mid 2012) MacBook Pro (13in, Late 2011) MacBook Pro (13in, Early 2011) MacBook Pro (13in, Mid 2010. When the connection is secure, an LED located at the head of the DC connector lights up an amber light. Its held in place magnetically, so if someone should trip over it, the cord disconnects harmlessly and your notebook stays put safely. Since I don't have direct HDMI output on my Mac, I suspected the non-Apple adapter. The 60W MagSafe power adapter with 'L' style connector is compatible with. The Apple 60W MagSafe Power Adapter is made specifically for your MacBook or MacBook Pro 13-inch model. At first I thought it was the placement of my HDMI cable, but further testing revealed that it was independent of the cable position. Curious, I ran "airport -I" (airport's not a built in, but I aliased it like so: /usr/sbin/airport -> /System/Library/PrivateFrameworks/amework/Versions/Current/Resources/airport) at the shell and observed that I saw a 10db signal strength drop when I plugged in my external monitor. I was getting set up in a new location for work when I realized that my wifi had died. 7Jun/12 0 DisplayPort to HDMI adapter breaks wifi on Macbook Pro 2010